package cn.tedu.v2_3;

import java.io.*;
import java.net.ConnectException;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Scanner;

/**
 *  练习：1.Client  添加  IP 功能
 *       2.Server  关闭通讯，代码简洁，写Client关闭通讯、代码简洁
 *
 *
 */
public class Client {
    private Socket socket;
    public Client() {
        try {
            socket=new Socket("127.0.01",1122);
        } catch (NullPointerException e){
            System.out.println("友情提示：IP传入错误导致连接失败~");
        } catch (UnknownHostException e){
            System.out.println("友情提示：IP传入错误");
        } catch (ConnectException e){
            System.out.println("客户端连接失败：建议检查IP或者端口号");
        } catch (IOException e) {
            System.out.println("客户端链接服务器失败，提示：检查IP/端口");
        }
    }

    public void start(){
         String ip;
         PrintWriter pw=null;
         ip=socket.getInetAddress().getHostAddress();
        try {
            pw = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(), "UTF8")), true);
            System.out.println(ip+"对服务器端说话：");
            Scanner input = new Scanner(System.in);
            String line = null;
            while (true) {
                pw.println(input.nextLine());
                System.out.println("写出成功~");
            }
        } catch (UnsupportedEncodingException e){
            System.out.println("客户端或者服务器端编码集有问题！");
        } catch (IOException e) {
            System.out.println("客户端链接服务器端：IO流操作出现错误");
        } finally {
            if (pw!=null)
                pw.close();
            if (socket!=null&&!socket.isClosed()){
                try {
                    socket.close();
                } catch (IOException e) {
                    System.out.println("通讯关闭失败");
                }
            }
        }
    }

    public static void main(String[] args){
        new Client().start();
    }
}
